![Fingerprint sensor not recognized using ESP32 board and adafruit fingerprint library. Circuit Diagram below. any help will be appreciated. : r/arduino Fingerprint sensor not recognized using ESP32 board and adafruit fingerprint library. Circuit Diagram below. any help will be appreciated. : r/arduino](https://i.redd.it/gsa47zcj01o71.jpg)
Fingerprint sensor not recognized using ESP32 board and adafruit fingerprint library. Circuit Diagram below. any help will be appreciated. : r/arduino
GitHub - vinz486/fingerprint-r503-mqtt: This is a fingerprint scanner software driver that maps recognition events to MQTT messages for IoT or home automation integration.
![Basics project 056c ESP8266 ESP-12E module, DY50 Fingerprint sensor, 3.3VDC relay - fingerprint lock system with IFTTT - Acoptex.Com Basics project 056c ESP8266 ESP-12E module, DY50 Fingerprint sensor, 3.3VDC relay - fingerprint lock system with IFTTT - Acoptex.Com](http://acoptex.com/wp/wp-content/uploads/2020/04/esp12e_finger_13.jpg)
Basics project 056c ESP8266 ESP-12E module, DY50 Fingerprint sensor, 3.3VDC relay - fingerprint lock system with IFTTT - Acoptex.Com
![Amazon.com: Green Light Optical Fingerprint Reader Sensor Module Compatible withArduino Raspberry Pi ESP8266 ESP32 : Electronics Amazon.com: Green Light Optical Fingerprint Reader Sensor Module Compatible withArduino Raspberry Pi ESP8266 ESP32 : Electronics](https://m.media-amazon.com/images/I/51nTQggS7YL.jpg)